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252664235 = 5181279187
BaseRepresentation
bin11110000111101…
…01100110101011
3122121102200011122
433003311212223
51004140223420
641023245455
76155416265
oct1703654653
9577380148
10252664235
1111a69341a
127074988b
1340466285
14257b0b35
15172ad725
hexf0f59ab

252664235 has 8 divisors (see below), whose sum is σ = 304873296. Its totient is φ = 201013920.

The previous prime is 252664219. The next prime is 252664267. The reversal of 252664235 is 532466252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252664235 - 24 = 252664219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252664195 and 252664204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138689 + ... + 140498.

It is an arithmetic number, because the mean of its divisors is an integer number (38109162).

Almost surely, 2252664235 is an apocalyptic number.

252664235 is a deficient number, since it is larger than the sum of its proper divisors (52209061).

252664235 is a wasteful number, since it uses less digits than its factorization.

252664235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279373.

The product of its digits is 86400, while the sum is 35.

The square root of 252664235 is about 15895.4155340463. The cubic root of 252664235 is about 632.1904394249.

The spelling of 252664235 in words is "two hundred fifty-two million, six hundred sixty-four thousand, two hundred thirty-five".

Divisors: 1 5 181 905 279187 1395935 50532847 252664235